aabtlfy0 - shandong university
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©2004 by Prentice Hall, Inc.A Pearson Company
Figure Number: 12-01 a,b GieseckeEngineering Graphics, 8ECaption: Fits between Mating Parts.
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©2004 by Prentice Hall, Inc.A Pearson Company
Figure Number: 12-02 a-c GieseckeEngineering Graphics, 8ECaption: Limit Dimensions.
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Figure Number: 12-03 GieseckeEngineering Graphics, 8ECaption: Noninterchangeable Fit.
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Figure Number: 12-04 a,b GieseckeEngineering Graphics, 8ECaption: Fits between Parts.
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Figure Number: 12-05 a,b GieseckeEngineering Graphics, 8ECaption: Basic-Hole and Basic-Shaft Systems.
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Figure Number: 12-06 a,b GieseckeEngineering Graphics, 8ECaption: Method of Giving Limits.
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Figure Number: 12-07 a,b GieseckeEngineering Graphics, 8ECaption: Tolerance Expression.
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Figure Number: 12-08 GieseckeEngineering Graphics, 8ECaption: Bilateral Tolerances.
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Figure Number: 12-09 GieseckeEngineering Graphics, 8ECaption: Limit Dimensions.
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Figure Number: 12-10 a,b GieseckeEngineering Graphics, 8ECaption: Cumulative Tolerances.
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Figure Number: 12-11 GieseckeEngineering Graphics, 8ECaption: Tolerances Related to Machining Processes.
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Figure Number: 12-12 GieseckeEngineering Graphics, 8ECaption: Terms Related to Metric Limits and Fits [ANSI B4.2–1978 (R1994)].
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Figure Number: 12-13 GieseckeEngineering Graphics, 8ECaption: International Tolerance Grades Related to Machining Processes [ANSI B4.2–1978 (R1994)].
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Figure Number: 12-14 GieseckeEngineering Graphics, 8ECaption: Practical Use of International Tolerance Grades.
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Figure Number: 12-15 a-c GieseckeEngineering Graphics, 8ECaption: Application of Definitions and Symbols to Holes and Shafts [ANSI B4.2–1978 (R1994)].
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Figure Number: 12-16 a-c GieseckeEngineering Graphics, 8ECaption: Acceptable Methods of Giving Tolerance Symbols (ANSI/ASME Y14.5M–1994).
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Figure Number: 12-17 GieseckeEngineering Graphics, 8ECaption: Methods of Specifying Tolerances with Symbols for Mating Parts.
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Geometric characteristic symbols Modifying symbols
Type of Tolerance Characteristic Symbol Term Symbol
Straightness
FormFlatness
Circularity (roundness)
Cylindricity
ProfileProfile of a line
Profile of a surface
Angularity
Orientation Perpendicularity
Parallelism
Position
Location Concentricity
Symmetry
RunoutCircular runout
Total runout
* ARROWHEADS MAY BE FILLED OR NOT FILLED
*
*
At maximum material condition
At least material condition
Projected tolerance zone
Free state
Tangent plane
Diameter
Spherical diameter
Radius
Spherical radius
Controlled radius
Reference
Arc length
Statistical tolerance
Between
M
L
P
F
T
ST
S
SR
R
CR
( )
)
Forindividualfeatures
For individualor relatedfeatures
For relatedfeatures
©2004 by Prentice Hall, Inc.A Pearson Company
Figure Number: 12-17.01 T03 GieseckeEngineering Graphics, 8ECaption:
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Figure Number: 12-18 a-e GieseckeEngineering Graphics, 8ECaption: Use of Symbols for Tolerance of Position and Form (ASME Y14.5M–1994).
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(a) Feature Surface and an extension line (b) Feature Size - Ø (c) Feature Size - Ø (d) Feature Size
(e) Feature Size - Ø (f) Feature Size - Ø (g) Feature Size - Ø (h) Feature Control Frame
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Figure Number: 12-19 a-h GieseckeEngineering Graphics, 8ECaption: Placement of Datum Feature Symbol (ASME Y14.5M–1994).
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Figure Number: 12-20 a,b GieseckeEngineering Graphics, 8ECaption: Tolerance Zones.
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Figure Number: 12-21 a-c GieseckeEngineering Graphics, 8ECaption: Tolerance Zones.
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Figure Number: 12-22 a,b GieseckeEngineering Graphics, 8ECaption: True-Position Dimensioning [ANSI Y14.5M–1982 (R1988)].
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Figure Number: 12-23 a-c GieseckeEngineering Graphics, 8ECaption: Cylindrical Tolerance Zone (ASME Y14.5M–1994).
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Figure Number: 12-24 GieseckeEngineering Graphics, 8ECaption: True Position Interpretation (ASME Y14.5M–1994).
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Figure Number: 12-25 GieseckeEngineering Graphics, 8ECaption: No Tolerance Accumulation.
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Figure Number: 12-26 a,b GieseckeEngineering Graphics, 8ECaption: Positional Tolerancing for Symmetry (ASME Y14.5M–1994).
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Figure Number: 12-27 a-d GieseckeEngineering Graphics, 8ECaption: Maximum and Minimum Material Conditions—Two-Hole Pattern (ASME Y14.5M–1994).
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Figure Number: 12-28 a-d GieseckeEngineering Graphics, 8ECaption: Tolerances of Angles.
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Figure Number: 12-29 a-d GieseckeEngineering Graphics, 8ECaption: Angular Tolerance Zones (ASME Y14.5M–1994).
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Figure Number: 12-30 GieseckeEngineering Graphics, 8ECaption: Specifying Straightness (ASME Y14.5M–1994).
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Figure Number: 12-31 GieseckeEngineering Graphics, 8ECaption: Specifying Flatness (ASME Y14.5M–1994).
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Figure Number: 12-32 GieseckeEngineering Graphics, 8ECaption: Specifying Roundness for a Cylinder or Cone (ASME Y14.5M–1994).
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Figure Number: 12-33 GieseckeEngineering Graphics, 8ECaption: Specifying Cylindricity (ASME Y14.5M–1994).
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Figure Number: 12-34 GieseckeEngineering Graphics, 8ECaption: Acceptable Variations of Form—No Specified Tolerance of Form.
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Figure Number: 12-35 GieseckeEngineering Graphics, 8ECaption: Specifying Profile of a Surface All Around (ASME Y14.5M–1994).
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Figure Number: 12-36 GieseckeEngineering Graphics, 8ECaption: Specifying Profile of a Surface between Points (ASME Y14.5–1994).
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Figure Number: 12-37 GieseckeEngineering Graphics, 8ECaption: Specifying Angularity for a Plane Surface (ASME Y14.5M–1994).
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Figure Number: 12-38 GieseckeEngineering Graphics, 8ECaption: Specifying Parallelism for a Plane Surface (ASME Y14.5M–1994).
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Figure Number: 12-39 GieseckeEngineering Graphics, 8ECaption: Specifying Parallelism for an Axis Feature RFS (ASME Y14.5M–1994).
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Figure Number: 12-40 GieseckeEngineering Graphics, 8ECaption: Specifying Parallelism for an Axis Feature at MMC (ASME Y14.5M–1994).
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Figure Number: 12-41 a-c GieseckeEngineering Graphics, 8ECaption: Specifying Perpendicularity (ASME Y14.5M–1994).
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Figure Number: 12-42 GieseckeEngineering Graphics, 8ECaption: "Specifying Perpendicularity for an Axis, Pin, or Boss (ASME Y14.5M–1994). "
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Figure Number: 12-43 GieseckeEngineering Graphics, 8ECaption: Specifying Concentricity (ASME Y14.5M–1994).
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Figure Number: 12-44 GieseckeEngineering Graphics, 8ECaption: Application of Symbols to Position and Form Tolerance Dimensions (ASME Y14.5M–1994).
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(A)
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Figure Number: 12-44.01 a GS-C GieseckeEngineering Graphics, 8ECaption:
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(B)
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Figure Number: 12-44.01 b GS-C GieseckeEngineering Graphics, 8ECaption:
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(C)
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Figure Number: 12-44.01 c GS-C GieseckeEngineering Graphics, 8ECaption:
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(D)©2004 by Prentice Hall, Inc.A Pearson Company
Figure Number: 12-44.01 d GS-C GieseckeEngineering Graphics, 8ECaption:
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Figure Number: 12-45 GieseckeEngineering Graphics, 8ECaption: Surface Texture Symbols and Construction (ANSI/ASME Y14.36M–1996).
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Figure Number: 12-46 a,b GieseckeEngineering Graphics, 8ECaption: Application of Surface Texture Symbols and Surface Characteristics (ANSI/ASME Y14.36M–1996).
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Figure Number: 12-47 GieseckeEngineering Graphics, 8ECaption: Lay Symbols (ANSI/ASME Y14.36M–1996).
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Figure Number: 12-48 GieseckeEngineering Graphics, 8ECaption: Application of Surface Texture Values to Symbol (ANSI/ASME Y14.36M–1996).
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Figure Number: 12-49 GieseckeEngineering Graphics, 8ECaption: Surface Roughness Produced by Common Production Methods (ANSI/ASME B46.1–1985). The ranges shown are typical of the processes listed. Higher or lowervalues may be obtained under special conditions.
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Basic function
Additional function(s)
2.
Function# Function# Function#
3.
Part # Function
Part # Function
Part # Function
4.
Part# Part #
Control Control
5.
Part # Part# Part#
1. DEFINE THE PART’S (FEATURE’S) FUNCTION:
LIST THE FUNCTIONS IN ORDER OF PRIORITY
DEFINE DATUM REFERENCE FRAME
Primary Datum Feature
Primary Datum Feature
Primary Datum Feature
SELECT CONTROL TYPE
CALCULATE THE TOLERANCES
Secondary Datum Feature
Secondary Datum Feature
Secondary Datum Feature
©2004 by Prentice Hall, Inc.A Pearson Company
Figure Number: 12-50 GieseckeEngineering Graphics, 8ECaption: Geometric Dimensioning and Tolerancing Design Worksheet.
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Figure Number: 12-51 GieseckeEngineering Graphics, 8ECaption: Application of Surface Finish Symbols.Drawing by Enidine. Courtesy of SolidWorks Corporation.
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M
M A B C
L
S
–A–
–B–
–C–
0.005/O
X.XX
R
SR
(X.XX)
2X
X.XX
/O
S/O
Maximum Material Condition
Least Material Condition
Regardless of Feature Size
Primary Datum
Secondary Datum
Tertiary Datum
Flatness
Straightness
Roundness
Cylindricity
Profile of a Line
Profile of a Surface
Angularity
Perpendicularity
Parallelism
Position
Concentricity
Symmetry
Circular Runout
Total Runout
Arc Length
Basic Dimension
Conical Taper
Counterbore or Spotface
Countersink
Deep or Depth
Diameter
Dimension Not to Scale
Number of Times–Places
Radius
Reference Dimension
Spherical Diameter
Spherical Radius
Slope
Square
Form
Orientation
Location
Runout
Profile
Feature Control Symbols
GeometricCharacteristic Symbol
Zone Descriptor
Feature Tolerance
Modifier
PrimaryDatum Reference
SecondaryDatum Reference
TertiaryDatum Reference
General Tolerance SymbolsTolerance Symbols of Form,Orientation, and Location
Symbol Characteristic Type of Tolerance
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Figure Number: 12-52 GieseckeEngineering Graphics, 8ECaption: "Geometric Dimensioning and Tolerancing Symbols Available in AutoCAD 2002.Courtesy of Autodesk, Inc. "
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